Hadrobregmus quadrulus is a species in the family Ptinidae ("death-watch and spider beetles"), in the order Coleoptera ("beetles"). Hadrobregmus quadrulus is found in North America.
References
Further reading
- American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea, Arnett, R.H. Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
- LeConte, J. L. (1859). Catalogue of the Coleoptera of Fort Tejon, California. Proceedings of the Academy of Natural Sciences of Philadelphia, vol. 11, 69âÂÂ90.
- Peterson Field Guides: Beetles, Richard E. White. 1983. Houghton Mifflin Company.
- White, Richard E. (1982). A catalog of the Coleoptera of America north of Mexico. Family: Anobiidae. US Department of Agriculture, Agriculture Handbook, 529âÂÂ570.